Andy's friend Lily (Tracie Thoms) was the worst character in the Devil Wears Prada movie, well, except for Andy's lover Nate. She makes no contribution to her friendship with the protagonist and is conceited and unkind. Book-Lily wasn't a cruel or conceited person, even though she had issues. She battled alcoholism throughout the book, and as Andy got more involved in working for Miranda, her sympathy for her buddy grew. Lily eventually realizes she is changing negatively when she witnesses Andy's carelessness following her involvement in an automobile accident.

2. Lily's Alcoholism & Car Accident

In the Devil Wears Prada movie, Andy betrayed Emily by taking her place in accompanying Miranda to Fashion Week in Paris. This showed the changes in Andy as well as similarities to a younger Miranda. In the book, this event replaced Lily's car accident and was not a part of Emily's character development.

7. Emily's Backstabbing Friendship with Andy

Stanley Tucci plays a crucial role in the Devil Wears Prada movie. He is a gentle but no-nonsense figure for Andy and reveals the true colors of Miranda. In the book, two characters fulfill these roles. Nigel is Runway's creative director and friend to Miranda, while James from the beauty department befriends Andy. Tucci's character cleverly combines the best of both worlds.

5. Stanley Tucci: A Mix of 2 Book Characters

The Devil Wears Prada is a 2006 movie based on the 2003 novel by Lauren Weisberger, starring Anne Hathaway, Meryl Streep, and Emily Blunt. The movie follows a woman named Andy working at a prestigious fashion magazine under Miranda Priestly. The movie has grown in popularity over the years due to excellent performances and the chaotic story. However, some changes have been made.

Some Context...

In the Devil Wears Prada movie, Nate is often seen as the villain. However, this differs from his portrayal in the book, where he is portrayed as kind and patient. Though he gets frustrated when Andy prioritizes her career over him, he sticks it out for as long as he can. 
Unlike in the movie, Nate's character in the book is more sympathetic and readers tend to side with him over Andy. His book counterpart was named Alex, and he only gets frustrated when Andy puts her career above their relationship.

3. Andy's Boyfriend, Nate

The friendship between Emily and Andy in The Devil Wears Prada is a highlight of the movie. In the book, their friendship is less turbulent but still significant.<ul><li>Emily first bullies Andy in the movie, but gradually warms up to her as Andy proves herself in the fashion world.</li><li>In the book, Emily is not as unkind. Though she doesn't make Andy's job easier, she is understanding and doesn't worsen things.</li></ul>Ultimately, Emily and Andy's friendship forms an important bond in the story, showing the nuanced dynamics of workplace relationships.

6. Emily and Andy's Friendship in The Devil Wears Prada

Miranda Priestly's character was turned into an icon in the movie adaptation of The Devil Wears Prada, thanks to Meryl Streep's performance. Her backstory was explored more in the book, revealing her childhood in poverty and her determination to succeed in the fashion industry. This adds depth to the character.Despite her divorce and difficult children, Miranda worked her way up in the fashion world through ambition. Her Orthodox Jewish upbringing shows the contrast between her past and present life.

4. Miranda's Backstory

Andy as played by Hathaway is comparatively endearing, if a little naive and critical of the fashion industry. She is nevertheless quite likeable, competent, breezy, and determined. The character wasn't exactly described like this in the Devil Wears Prada book. In the book, Andy wasn't just blonde (unlike Hathaway's signature brunette)—she was also far more edgy, often smoking cigarettes, speaking her mind, and hurling harsh judgments at everybody around her. Though it can be challenging to see Andy in the novel and the movie as the same person, she was nonetheless likeable.

1Andy's personality

In The Devil Wears Prada movie, Andy faced tough lessons but it all worked out okay. She got her dream job with help from Miranda and reconciled with her friend Lily. Though her former relationship was beyond repair, she found success in her new journey.

However, in the book, The Devil Wears Prada serves as a cautionary tale. Andy's public falling-out with Miranda made her a celebrity in the industry, potentially leading to a blacklist. The book's ending is far more ambiguous, with Andy catching a glimpse of Miranda's new assistant. Ultimately, the movie's ending is more heartwarming.

8. The Heartwarming Ending for Andy in The Devil Wears Prada

8 Biggest Book Changes In The Devil Wears Prada

A delightfully dishy novel about the all-time most impossible boss in the history of impossible bosses. Andrea Sachs, a small-town girl fresh out of college, lands the job "a million girls would die for." Hired as the assistant to Miranda Priestly, the high-profile, fabulously successful editor of "Runway magazine, Andrea finds herself in an office that shouts "Prada! Armani! Versace! at every turn, a world populated by impossibly thin, heart-wrenchingly stylish women and beautiful men clad in fine-ribbed turtlenecks and tight leather pants that show off their lifelong dedication to the gym. With breathtaking ease, Miranda can turn each and every one of these hip sophisticates into a scared, whimpering child. THE DEVIL WEARS PRADA gives a rich and hilarious new meaning to complaints about "The Boss from Hell." Narrated in Andrea's smart, refreshingly disarming voice, it traces a deep, dark, devilish view of life at the top only hinted at in gossip columns and over Cosmopolitans at the trendiest cocktail parties. From sending the latest, not-yet-in-stores Harry Potter to Miranda's children in Paris by private jet, to locating an unnamed antique store where Miranda had at some point admired a vintage dresser, to serving lattes to Miranda at precisely the piping hot temperature she prefers, Andrea is sorely tested each and every day--and often late into the night with orders barked over the phone. She puts up with it all by keeping her eyes on the prize: a recommendation from Miranda that will get Andrea a top job at any magazine of her choosing. As things escalate from the merely unacceptable to the downright outrageous, however, Andrea begins to realize that the job a milliongirls would die for may just kill her. And even if she survives, she has to decide whether or not the job is worth the price of her soul. "From the Hardcover edition.